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Model-Agnostic Meta-Learning (MAML) and its variants have achieved success in meta-learning tasks on many datasets and settings. On the other hand, we have just started to understand and analyze how they are able to adapt fast to new tasks.…

Machine Learning · Computer Science 2021-01-26 Sébastien M. R. Arnold , Shariq Iqbal , Fei Sha

Meta learning is a promising solution to few-shot learning problems. However, existing meta learning methods are restricted to the scenarios where training and application tasks share the same out-put structure. To obtain a meta model…

Machine Learning · Computer Science 2019-04-22 Yingtian Zou , Jiashi Feng

Model agnostic meta-learning (MAML) is one of the most widely used gradient-based meta-learning, consisting of two optimization loops: an inner loop and outer loop. MAML learns the new task from meta-initialization parameters with an inner…

Machine Learning · Computer Science 2024-06-10 Jongyun Shin , Seunjin Han , Jangho Kim

We propose a new computationally-efficient first-order algorithm for Model-Agnostic Meta-Learning (MAML). The key enabling technique is to interpret MAML as a bilevel optimization (BLO) problem and leverage the sign-based SGD(signSGD) as a…

Machine Learning · Computer Science 2021-12-22 Chen Fan , Parikshit Ram , Sijia Liu

The performance of gradient-based optimization strategies depends heavily on the initial weights of the parametric model. Recent works show that there exist weight initializations from which optimization procedures can find the…

Machine Learning · Computer Science 2020-01-23 Rafael Rego Drumond , Lukas Brinkmeyer , Josif Grabocka , Lars Schmidt-Thieme

Despite its popularity, several recent works question the effectiveness of MAML when test tasks are different from training tasks, thus suggesting various task-conditioned methodology to improve the initialization. Instead of searching for…

Machine Learning · Computer Science 2020-12-09 Sungyong Baik , Myungsub Choi , Janghoon Choi , Heewon Kim , Kyoung Mu Lee

Model-agnostic meta-learning (MAML) and its variants have become popular approaches for few-shot learning. However, due to the non-convexity of deep neural nets (DNNs) and the bi-level formulation of MAML, the theoretical properties of MAML…

Machine Learning · Computer Science 2022-03-18 Haoxiang Wang , Yite Wang , Ruoyu Sun , Bo Li

Meta-reinforcement learning (meta-RL) aims to learn from multiple training tasks the ability to adapt efficiently to unseen test tasks. Despite the success, existing meta-RL algorithms are known to be sensitive to the task distribution…

Machine Learning · Computer Science 2021-03-02 Zichuan Lin , Garrett Thomas , Guangwen Yang , Tengyu Ma

Natural language understanding(NLU) is challenging for finance due to the lack of annotated data and the specialized language in that domain. As a result, researchers have proposed to use pre-trained language model and multi-task learning…

Computation and Language · Computer Science 2023-03-28 Bixing Yan , Shaoling Chen , Yuxuan He , Zhihan Li

Meta-learning enables a model to learn from very limited data to undertake a new task. In this paper, we study the general meta-learning with adversarial samples. We present a meta-learning algorithm, ADML (ADversarial Meta-Learner), which…

Machine Learning · Computer Science 2020-06-23 Chengxiang Yin , Jian Tang , Zhiyuan Xu , Yanzhi Wang

The use of meta-learning and transfer learning in the task of few-shot image classification is a well researched area with many papers showcasing the advantages of transfer learning over meta-learning in cases where data is plentiful and…

Computer Vision and Pattern Recognition · Computer Science 2021-05-10 Joshua Ball

We propose an algorithm for meta-learning that is model-agnostic, in the sense that it is compatible with any model trained with gradient descent and applicable to a variety of different learning problems, including classification,…

Machine Learning · Computer Science 2017-07-19 Chelsea Finn , Pieter Abbeel , Sergey Levine

Meta-learning has been proposed as a framework to address the challenging few-shot learning setting. The key idea is to leverage a large number of similar few-shot tasks in order to learn how to adapt a base-learner to a new task for which…

Computer Vision and Pattern Recognition · Computer Science 2019-10-10 Qianru Sun , Yaoyao Liu , Zhaozheng Chen , Tat-Seng Chua , Bernt Schiele

By searching for shared inductive biases across tasks, meta-learning promises to accelerate learning on novel tasks, but with the cost of solving a complex bilevel optimization problem. We introduce and rigorously define the trade-off…

Machine Learning · Computer Science 2021-04-15 Katelyn Gao , Ozan Sener

Model-agnostic meta-learning (MAML) has been recently put forth as a strategy to learn resource-poor languages in a sample-efficient fashion. Nevertheless, the properties of these languages are often not well represented by those available…

Computation and Language · Computer Science 2021-06-03 Edoardo Maria Ponti , Rahul Aralikatte , Disha Shrivastava , Siva Reddy , Anders Søgaard

Meta-learning, which pursues an effective initialization model, has emerged as a promising approach to handling unseen tasks. However, a limitation remains to be evident when a meta-learner tries to encompass a wide range of task…

Machine Learning · Computer Science 2024-03-12 Jae-Jun Lee , Sung Whan Yoon

To accelerate learning process with few samples, meta-learning resorts to prior knowledge from previous tasks. However, the inconsistent task distribution and heterogeneity is hard to be handled through a global sharing model…

Machine Learning · Computer Science 2022-06-22 Geng Li , Boyuan Ren , Hongzhi Wang

Multi-task learning (MTL) aims to improve the generalization of several related tasks by learning them jointly. As a comparison, in addition to the joint training scheme, modern meta-learning allows unseen tasks with limited labels during…

Machine Learning · Computer Science 2021-06-17 Haoxiang Wang , Han Zhao , Bo Li

The continual learning problem involves training models with limited capacity to perform well on a set of an unknown number of sequentially arriving tasks. While meta-learning shows great potential for reducing interference between old and…

Machine Learning · Computer Science 2020-11-13 Gunshi Gupta , Karmesh Yadav , Liam Paull

The significant amount of training data required for training Convolutional Neural Networks has become a bottleneck for applications like semantic segmentation. Few-shot semantic segmentation algorithms address this problem, with an aim to…

Computer Vision and Pattern Recognition · Computer Science 2020-09-16 Ayyappa Kumar Pambala , Titir Dutta , Soma Biswas